1iak

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[[Image:1iak.png|left|200px]]
 
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==HISTOCOMPATIBILITY ANTIGEN I-AK==
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The line below this paragraph, containing "STRUCTURE_1iak", creates the "Structure Box" on the page.
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<StructureSection load='1iak' size='340' side='right'caption='[[1iak]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1iak]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IAK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IAK FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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{{STRUCTURE_1iak| PDB=1iak | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1iak FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1iak OCA], [https://pdbe.org/1iak PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1iak RCSB], [https://www.ebi.ac.uk/pdbsum/1iak PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1iak ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HA2K_MOUSE HA2K_MOUSE]
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ia/1iak_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1iak ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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We have determined the structure of murine MHC class II I-Ak in complex with a naturally processed peptide from hen egg lysozyme (HEL residues 50-62) at 1.9 A resolution. These results provide a structural basis for the I-Ak peptide-binding motif. Binding is established by the deep burial of five anchor side chains into specific pockets of the I-Ak binding groove, with a zen-like fit of an aspartic acid in the P1 pocket. We also show that in the I-Ak alpha chain, a bulge occurs in the first strand of the peptide-binding platform, an insertion probably common to all I-A and HLA-DQ alleles. The I-Ak beta chain has a deletion in the helical region adjacent to the P7 pocket and an insertion in the helical region neighboring the P1 pocket. As a result of these structural features, the extended HEL peptide dips low into the center of the I-Ak groove and reaches toward solvent at its C-terminal end.
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===HISTOCOMPATIBILITY ANTIGEN I-AK===
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Crystal structure of I-Ak in complex with a dominant epitope of lysozyme.,Fremont DH, Monnaie D, Nelson CA, Hendrickson WA, Unanue ER Immunity. 1998 Mar;8(3):305-17. PMID:9529148<ref>PMID:9529148</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_9529148}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1iak" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 9529148 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9529148}}
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==About this Structure==
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[[1iak]] is a 3 chain structure of [[Major histocompatibility complex]] with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IAK OCA].
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==See Also==
==See Also==
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*[[Major histocompatibility complex]]
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*[[MHC 3D structures|MHC 3D structures]]
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*[[MHC II 3D structures|MHC II 3D structures]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:009529148</ref><references group="xtra"/>
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Fremont, D H.]]
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[[Category: Fremont DH]]
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[[Category: Hendrickson, W A.]]
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[[Category: Hendrickson WA]]
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[[Category: Unanue, E R.]]
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[[Category: Unanue ER]]
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[[Category: Histocompatibility antigen]]
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[[Category: Histocompatibility antigen i-ak]]
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[[Category: Mhc]]
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[[Category: Peptide complex]]
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Current revision

HISTOCOMPATIBILITY ANTIGEN I-AK

PDB ID 1iak

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